Why are the changes made to the playlist properties in the folder list not effected during check-out?

The song in the playlist is checked-out in the previous setting even though the playlist properties (such as artist name, genre name, etc.) in the folder list has been changed.

Please change the artist and genre names of the playlist with the steps below instead:

1. Click and select the playlist where the contents are to be changed.2. Click Select All.* All songs on the list view are highlighted. 3. Click Properties.4. Change the Artist Name and Genre Name, and then click OK.5. When the Same artist/genre names will be stored to selected songs. dialog box appears, click OK.